Kinetic frustration produces exact scars in hardcore boson and fermion Hubbard models that map to each other and are realizable on quantum simulators with tunable lifetimes via a new energy-distribution heuristic.
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In the 3D Hofstadter-Hubbard model, superconductivity occurs for arbitrarily weak attraction below the critical flux for Weyl points with BCS-like gap scaling, but requires finite interaction strength above it.
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Exact quantum scars from kinetic frustration for cross-platform realizations
Kinetic frustration produces exact scars in hardcore boson and fermion Hubbard models that map to each other and are realizable on quantum simulators with tunable lifetimes via a new energy-distribution heuristic.
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Superconducting properties of the three-dimensional Hofstadter-Hubbard model below the critical flux for Weyl points
In the 3D Hofstadter-Hubbard model, superconductivity occurs for arbitrarily weak attraction below the critical flux for Weyl points with BCS-like gap scaling, but requires finite interaction strength above it.